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Exhibit 99 (a)
 THIRD AMENDMENT
TO
AMENDED AND RESTATED CREDIT AGREEMENT
 THIRD AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT Amendment Borrower Guarantor Guarantors Administrative
Agent
 W I T N E S S E T H:
 WHEREAS Credit Agreement
 WHEREAS
 NOW, THEREFORE
 Defined Terms Generally .
 Amendment to Section 5.01(a)of Credit Agreement (Annual Financial Statements)
 Conditions to Effectiveness . Third Amendment Effective Date
 Miscellaneous .




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[SIGNATURE PAGES TO FOLLOW]
 2




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IN WITNESS WHEREOF
 BORROWER:DELPHI CORPORATIONBy:
    /s/ JOHN D. SHEEHANName:
    John D. SheehanTitle:
    Vice President and
Chief Restructuring OfficerGUARANTORS:ASEC MANUFACTURING GENERAL
PARTNERSHIP,a Delaware general partnershipBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer ASEC SALES GENERAL PARTNERSHIP,a Delaware general partnershipBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer ASPIRE, INC.,a Michigan corporationBy:
    /s/ JAMES P. WHITSONName:
    James P. WhitsonTitle:
    Vice President




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DELCO ELECTRONIC OVERSEAS CORPORATION,a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Assistant Treasurer DELPHI AUTOMOTIVE SYSTEMS (HOLDING),
INC.,
a Delaware corporationBy:
    /s/ JOHN D. SHEEHANName:
    John D. SheehanTitle:
    President DELPHI AUTOMOTIVE SYSTEMS GLOBAL
(HOLDING), INC.,
 a Delaware corporationBy:
    /s/ JOHN D. SHEEHANName:
    John D. SheehanTitle:
    President DELPHI
AUTOMOTIVE SYSTEMS HUMAN RESOURCES LLC,
a Delaware limited liability companyBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Vice President & Treasurer DELPHI AUTOMOTIVE SYSTEMS
INTERNATIONAL, INC.,a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer




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DELPHI AUTOMOTIVE SYSTEMS KOREA, INC.,
a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Chief Executive Officer & President DELPHI AUTOMOTIVE SYSTEMS LLC,
a Delaware limited liability companyBy:

/s/ JOHN D. SHEEHANName:
    John D. SheehanTitle:   
Vice President and
Chief Restructuring Officer;
Chief Accounting Officer and
Controller DELPHI AUTOMOTIVE SYSTEMS OVERSEAS
    CORPORATION,
a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer DELPHI AUTOMOTIVE SYSTEMS RISK

    MANAGEMENT CORP.,
a Delaware corporationBy:
    /s/ JOHN D. SHEEHANName:
    John D. SheehanTitle:
    Vice President & Treasurer DELPHI AUTOMOTIVE SYSTEMS SERVICES LLC,
a Delaware limited liability companyBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer




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DELPHI AUTOMOTIVE SYSTEMS TENNESSEE,
INC.,a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer DELPHI AUTOMOTIVE SYSTEMS THAILAND,
INC.,
a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer DELPHI CHINA LLC,
a Delaware limited liability companyBy:
    /s/ JAMES P. WHITSONName:
    James P. WhitsonTitle:
    Chief Tax Officer DELPHI CONNECTION SYSTEMS,
a California corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Treasurer DELPHI DIESEL SYSTEMS CORP.,
a Delaware corporationBy:
    /s/ JAMES P. WHITSONName:
    James P. WhitsonTitle:
    Chief Tax Officer




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DELPHI ELECTRONICS
(HOLDING) LLC,

a Delaware limited liability companyBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Assistant Treasurer DELPHI FOREIGN SALES CORPORATION,

a Virgin Islands corporationBy:
    /s/ JOHN D. SHEEHANName:
    John D. SheehanTitle:
    Controller DELPHI INTEGRATED SERVICE SOLUTIONS, INC.,

a Michigan corporationBy:
    /s/ JAMES P. WHITSONName:
    James P. WhitsonTitle:
    Vice President DELPHI INTERNATIONAL HOLDINGS CORP.,

a Delaware corporationBy:
    /s/ JOHN D. SHEEHANName:
    John D. SheehanTitle:
    President DELPHI INTERNATIONAL SERVICES, INC.,
a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Chief Financial Officer & Treasurer




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DELPHI LIQUIDATION HOLDING COMPANY,a Delaware corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    PresidentDELPHI LLC,a Delaware limited liability companyBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    PresidentDELPHI MECHATRONIC SYSTEMS, INC.,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI MEDICAL SYSTEMS COLORADO CORPORATION,a Colorado corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Vice President & TreasurerDELPHI MEDICAL SYSTEMS CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Vice President & Treasurer




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DELPHI MEDICAL SYSTEMS TEXAS CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Vice President & TreasurerDELPHI NY HOLDING CORPORATION,a New York corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    PresidentDELPHI SERVICES HOLDING CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI TECHNOLOGIES, INC.,a Delaware corporationBy:
    
    /s/ THOMAS N. TWOMEYName:
    
    Thomas N. TwomeyTitle:
    
    Vice President Intellectual PropertyDREAL, INC.,a Delaware corporationBy:
    
    /s/ JOHN A. JAFFURSName:
    
    John A. JaffursTitle:
    
    President




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ENVIRONMENTAL CATALYSTS, LLC,


a Delaware limited liability companyBy:
    /s/ JOSEPH P. GUMINAName:
    Joseph P. GuminaTitle:
    TreasurerEXHAUST SYSTEMS
CORPORATION,

a Delaware corporationBy:
    /s/ JOHN P. ARLEName:
    John P. ArleTitle:
    Assistant TreasurerPACKARD HUGHES INTERCONNECT
COMPANY,
a Delaware corporationBy:
    /s/ JAMES P. WHITSONName:
    James P. WhitsonTitle:
    Chief Tax OfficerSPECIALTY ELECTRONICS
INTERNATIONAL LTD.,

a Virgin Islands corporationBy:
    /s/ MICHAEL T. REAGANName:
    Michael T. ReaganTitle:
    Treasurer and SecretarySPECIALTY ELECTRONICS,
INC.,

a South Carolina corporationBy:
    /s/ JAMES P. WHITSONName:
    James P. WhitsonTitle:
    Chief Tax Officer




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AGENTS AND LENDERS:

JPMORGAN CHASE BANK, N.A.
     Individually and as Administrative AgentBy:

/s/
GIANNI RUSSELLOName:
    Gianni RusselloTitle:
    AssociateCITICORP USA, INC.By:
    /s/ JEFFREY NITZName:
    Jeffrey NitzTitle:
    Director




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Signature page for the Third Amendment
to Amended and Restated Credit Agreement, dated as of May 26,
2006 among Delphi Corporation and the lenders party
theretoName of Lender:By:Name:Title: